package com.cx.inteceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("============preHandle========");
        // false:没有就返回null
        // true : 没有就创建
//        HttpSession session = request.getSession();
//
//        Object object = session.getAttribute("user");
//        if (null != object) {
//            return true;
//        } else {
//            response.sendRedirect("http://localhost:63343/mvboot/home.html");
//            return false;
//        }
        return true;


    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("============postHandle========");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("============afterCompletion========");
    }
}
